TY  - BOOK
AU  - Alexander, Martin., ed.
TI  - Biological nitrogen fixation; ecology, technology and physiology
U1  - 581.133.11(871) 1979.1.18/.29 (082.2) M4 
PY  - 1984///
CY  - New York
PB  - Plenum
KW  - Edited by Martin Alexander
KW  - Nitrogen Fixation,Rhizobium,Microorganisms-Nitrogen fixing,Legumes
ER  -